layui.define(["table", "jquery", "element"], function (exports) {
  "use strict";

  var MOD_NAME = "menu",
    $ = layui.jquery,
    element = layui.element;

  var menu = function (opt) {
    this.option = opt;
  };

  menu.prototype.render = function (opt) {
    var option = {
      elem: opt.elem,
      async: opt.async || true,
      parseData: opt.parseData,
      url: opt.url,
      method: opt.method ? opt.method : "GET",
      defaultOpen: opt.defaultOpen,
      defaultSelect: opt.defaultSelect,
      control: opt.control,
      controlWidth: opt.controlWidth ? opt.controlWidth : "auto",
      defaultMenu: opt.defaultMenu || 0,
      accordion: opt.accordion,
      height: opt.height || "100%",
      theme: opt.theme || "dark-theme",
      data: opt.data ? opt.data : [],
      change: opt.change ? opt.change : function () {},
      done: opt.done ? opt.done : function () {},
    };

    var tempDone = option.done;

    option.done = function () {
      if (option.control) {
        rationalizeHeaderControlWidthAuto(option);
      }
      tempDone();
    };

    if (option.async) {
      if (option.method === "GET") {
        getData(option.url).then(function (data) {
          option.data = data;
          renderMenu(option);
        });
      } else {
        postData(option.url).then(function (data) {
          option.data = data;
          renderMenu(option);
        });
      }
    } else {
      window.setTimeout(function () {
        renderMenu(option);
      }, 500);
    }

    $("#" + opt.elem).height(option.height);

    setTimeout(function () {
      $("#" + opt.control + " .control").on(
        "mousewheel DOMMouseScroll",
        function (event) {
          var delta =
            (event.originalEvent.wheelDelta &&
              (event.originalEvent.wheelDelta > 0 ? 1 : -1)) || // chrome & ie
            (event.originalEvent.detail &&
              (event.originalEvent.detail > 0 ? -1 : 1)); // firefox

          if (delta > 0) {
            for (var num = 1; num < 20; num++) {
              setTimeout(function () {
                if (
                  $("#" + opt.control + " .control ul")
                    .css("left")
                    .replace("px", "") < 0
                ) {
                  $("#" + opt.control + " .control ul").css("left", "+=2px");
                }
              }, 10);
            }
          } else if (delta < 0) {
            if (
              Number(
                $("#" + opt.control + " .control ul")
                  .css("left")
                  .replace("px", ""),
              ) +
                ($("#" + opt.control + " .control ul").width() -
                  $("#" + opt.control + " .control").width()) >
              0
            ) {
              for (var num = 1; num < 20; num++) {
                setTimeout(function () {
                  $("#" + opt.control + " .control ul").css("left", "-=2px");
                }, 10);
              }
            }
          }
        },
      );
    }, 1000);

    return new menu(option);
  };

  menu.prototype.cache = function () {
    return this.option.data;
  };

  menu.prototype.click = function (clickEvent) {
    var _this = this;
    $("body").on(
      "click",
      "#" + _this.option.elem + " .site-demo-active",
      function () {
        var dom = $(this);
        var data = {
          menuId: dom.attr("menu-id"),
          menuTitle: dom.attr("menu-title"),
          menuPath: dom.attr("menu-title"),
          menuIcon: dom.attr("menu-icon"),
          menuUrl: dom.attr("menu-url"),
          menuType: dom.attr("menu-type"),
          menuOpenType: dom.attr("menu-open-type"),
        };
        var doms = hash(dom);
        if (doms != null) {
          if (doms.text() != "") {
            data["menuPath"] =
              doms.find("span").text() + " / " + data["menuPath"];
          }
        }
        if (doms != null) {
          var domss = hash(doms);
          if (domss != null) {
            if (domss.text() != "") {
              data["menuPath"] =
                domss.find("span").text() + " / " + data["menuPath"];
            }
          }
        }
        if (domss != null) {
          var domsss = hash(domss);
          if (domsss != null) {
            if (domsss.text() != "") {
              data["menuPath"] =
                domsss.find("span").text() + " / " + data["menuPath"];
            }
          }
        }
        if ($("#" + _this.option.elem).is(".pear-nav-mini")) {
          if (_this.option.accordion) {
            activeMenus = $(this).parent().parent().parent().children("a");
          } else {
            activeMenus.push($(this).parent().parent().parent().children("a"));
          }
        }
        clickEvent(dom, data);
      },
    );
  };

  function hash(dom) {
    var d = dom.parent().parent().prev();
    if (d.prop("tagName") === "UL") {
      return null;
    }
    return d;
  }

  menu.prototype.skin = function (skin) {
    var menu = $(
      ".pear-nav-tree[lay-filter='" + this.option.elem + "']",
    ).parent();
    menu.removeClass("dark-theme");
    menu.removeClass("light-theme");
    menu.addClass(skin);
  };

  menu.prototype.selectItem = function (pearId) {
    if (this.option.control != false) {
      $("#" + this.option.elem + " a[menu-id='" + pearId + "']")
        .parents(".layui-side-scroll ")
        .find("ul")
        .css({
          display: "none",
        });
      $("#" + this.option.elem + " a[menu-id='" + pearId + "']")
        .parents(".layui-side-scroll ")
        .find(".layui-this")
        .removeClass("layui-this");
      $("#" + this.option.elem + " a[menu-id='" + pearId + "']")
        .parents("ul")
        .css({
          display: "block",
        });
      var controlId = $("#" + this.option.elem + " a[menu-id='" + pearId + "']")
        .parents("ul")
        .attr("pear-id");
      if (controlId != undefined) {
        $("#" + this.option.control)
          .find(".layui-this")
          .removeClass("layui-this");
        $("#" + this.option.control)
          .find("[pear-id='" + controlId + "']")
          .addClass("layui-this");
      }
    }

    $("#" + this.option.elem + " a[menu-id='" + pearId + "']")
      .parents(".pear-nav-tree")
      .find(".layui-this")
      .removeClass("layui-this");
    if (!$("#" + this.option.elem).is(".pear-nav-mini")) {
      var openEle = null;
      var openEleHeight = 0;
      $(
        $("#" + this.option.elem + " a[menu-id='" + pearId + "']")
          .parents(".layui-nav-child")
          .get()
          .reverse(),
      ).each(function () {
        if (!$(this).parent().is(".layui-nav-itemed")) {
          if (openEleHeight == 0) {
            openEle = $(this);
          } else {
            $(this).parent().addClass("layui-nav-itemed");
            $(this).css({
              height: "auto",
            });
          }
          openEleHeight += $(this).children("dd").length * 48;
        }
      });
      if (this.option.accordion) {
        if (openEleHeight > 0) {
          var currentDom = openEle
            .parent()
            .siblings(".layui-nav-itemed")
            .children(".layui-nav-child");
          currentDom.animate(
            {
              height: "0px",
            },
            240,
            function () {
              currentDom.css({
                height: "auto",
              });
              $(this).parent().removeClass("layui-nav-itemed");
              $(this).find(".layui-nav-itemed").removeClass("layui-nav-itemed");
            },
          );
        }
      }
      if (openEleHeight > 0) {
        openEle.parent().addClass("layui-nav-itemed");
        openEle.height(0);
        openEle.animate(
          {
            height: openEleHeight + "px",
          },
          240,
          function () {
            $(this).css({ height: "auto" });
          },
        );
      }
    }
    $("#" + this.option.elem + " a[menu-id='" + pearId + "']")
      .parent()
      .addClass("layui-this");
  };

  var activeMenus;
  menu.prototype.collapse = function (time) {
    var elem = this.option.elem;
    var config = this.option;
    if ($("#" + this.option.elem).is(".pear-nav-mini")) {
      $.each(activeMenus, function (i, item) {
        $("#" + elem + " a[menu-id='" + $(this).attr("menu-id") + "']")
          .parent()
          .addClass("layui-nav-itemed");
      });
      $("#" + this.option.elem).removeClass("pear-nav-mini");
      $("#" + this.option.elem).animate(
        {
          width: "220px",
        },
        180,
      );
      isHoverMenu(false, config);
      var that = this;
      $("#" + this.option.elem)
        .promise()
        .done(function () {
          if (that.option.control) {
            rationalizeHeaderControlWidth(that.option);
          }
        });
    } else {
      activeMenus = $("#" + this.option.elem).find(".layui-nav-itemed>a");
      $("#" + this.option.elem)
        .find(".layui-nav-itemed")
        .removeClass("layui-nav-itemed");
      $("#" + this.option.elem).addClass("pear-nav-mini");
      $("#" + this.option.elem).animate(
        {
          width: "60px",
        },
        400,
      );
      var that = this;
      $("#" + this.option.elem)
        .promise()
        .done(function () {
          isHoverMenu(true, config);
          if (that.option.control) {
            rationalizeHeaderControlWidth(that.option);
          }
        });
    }
  };

  function getData(url) {
    var defer = $.Deferred();
    var symbol = url.indexOf("?") !== -1 ? "&" : "?";
    $.get(url + symbol + "fresh=" + Math.random(), function (result) {
      defer.resolve(result);
    });
    return defer.promise();
  }

  function postData(url) {
    var defer = $.Deferred();
    var symbol = url.indexOf("?") !== -1 ? "&" : "?";
    $.post(
      url + symbol + "fresh=" + Math.random(),
      function (result) {
        defer.resolve(result);
      },
      "json",
    );
    return defer.promise();
  }

  function renderMenu(option) {
    if (option.parseData != false) {
      option.parseData(option.data);
    }
    if (option.data.length > 0) {
      if (option.control != false) {
        createMenuAndControl(option);
      } else {
        createMenu(option);
      }
    }
    element.init();
    option.done();
  }

  function createMenu(option) {
    var menuHtml =
      '<div style="height:100%!important;" class="pear-side-scroll layui-side-scroll ' +
      option.theme +
      '"><ul lay-filter="' +
      option.elem +
      '" class="layui-nav arrow   pear-menu layui-nav-tree pear-nav-tree" ' +
      (option.accordion ? "lay-accordion" : "") +
      ">";
    $.each(option.data, function (i, item) {
      var content = '<li class="layui-nav-item" >';
      if (i == option.defaultOpen) {
        content = '<li class="layui-nav-item layui-nav-itemed" >';
      }
      var href = "javascript:;";
      var target = "";
      var className = "site-demo-active";
      if (item.openType == "_blank" && item.type == 1) {
        href = item.href;
        target = "target='_blank'";
        className = "";
      }
      if (item.type == 0) {
        // 创 建 目 录 结 构
        content +=
          '<a  href="javascript:;" menu-type="' +
          item.type +
          '" menu-id="' +
          item.id +
          '" href="' +
          href +
          '" ' +
          target +
          '><i class="' +
          item.icon +
          '"></i><span>' +
          item.title +
          "</span></a>";
      } else if (item.type == 1) {
        content +=
          '<a class="' +
          className +
          '" menu-type="' +
          item.type +
          '" menu-open-type="' +
          item.openType +
          '"  menu-url="' +
          item.href +
          '" menu-id="' +
          item.id +
          '" menu-title="' +
          item.title +
          '"  href="' +
          href +
          '"  ' +
          target +
          '><i class="' +
          item.icon +
          '"></i><span>' +
          item.title +
          "</span></a>";
      }
      // 调 用 递 归 方 法 加 载 无 限 层 级 的 子 菜 单
      content += loadchild(item);
      // 结 束 一 个 根 菜 单 项
      content += "</li>";
      menuHtml += content;
    });
    // 结 束 菜 单 结 构 的 初 始 化
    menuHtml += "</ul></div>";
    // 将 菜 单 拼 接 到 初 始 化 容 器 中
    $("#" + option.elem).html(menuHtml);
  }

  function createMenuAndControl(option) {
    var control =
      '<div style="width: ' +
      option.controlWidth +
      'px;white-space: nowrap;overflow-x: scroll;overflow: hidden;" class="control"><ul class="layui-nav pear-nav-control pc layui-hide-xs" style="width: fit-content;">';
    var controlPe = '<ul class="layui-nav pear-nav-control layui-hide-sm">';
    // 声 明 头 部
    var menu = '<div class="layui-side-scroll ' + option.theme + '">';
    // 开 启 同 步 操 作
    var index = 0;
    var controlItemPe = '<dl class="layui-nav-child">';
    $.each(option.data, function (i, item) {
      var menuItem = "";
      var controlItem = "";
      if (i === option.defaultMenu) {
        controlItem =
          '<li pear-href="' +
          item.href +
          '" pear-title="' +
          item.title +
          '" pear-id="' +
          item.id +
          '" class="layui-this layui-nav-item"><a href="#">' +
          item.title +
          "</a></li>";
        menuItem =
          '<ul  pear-id="' +
          item.id +
          '" lay-filter="' +
          option.elem +
          '" class="layui-nav arrow layui-nav-tree pear-nav-tree">';

        controlPe +=
          '<li class="layui-nav-item"><a class="pe-title" href="javascript:;" >' +
          item.title +
          "</a>";

        controlItemPe +=
          '<dd  pear-href="' +
          item.href +
          '" pear-title="' +
          item.title +
          '" pear-id="' +
          item.id +
          '"><a href="javascript:void(0);">' +
          item.title +
          "</a></dd>";
      } else {
        controlItem =
          '<li  pear-href="' +
          item.href +
          '" pear-title="' +
          item.title +
          '" pear-id="' +
          item.id +
          '" class="layui-nav-item"><a href="#">' +
          item.title +
          "</a></li>";

        menuItem =
          '<ul style="display:none" pear-id="' +
          item.id +
          '" lay-filter="' +
          option.elem +
          '" class="layui-nav arrow layui-nav-tree pear-nav-tree">';

        controlItemPe +=
          '<dd pear-href="' +
          item.href +
          '" pear-title="' +
          item.title +
          '" pear-id="' +
          item.id +
          '"><a href="javascript:void(0);">' +
          item.title +
          "</a></dd>";
      }
      index++;
      $.each(item.children, function (i, note) {
        // 创 建 每 一 个 菜 单 项
        var content = '<li class="layui-nav-item" >';
        var href = "javascript:;";
        var target = "";
        var className = "site-demo-active";
        if (note.openType == "_blank" && note.type == 1) {
          href = note.href;
          target = "target='_blank'";
          className = "";
        }
        // 判 断 菜 单 类 型 0 是 不可跳转的目录 1 是 可 点 击 跳 转 的 菜 单
        if (note.type == 0) {
          // 创 建 目 录 结 构
          content +=
            '<a  href="' +
            href +
            '" ' +
            target +
            ' menu-type="' +
            note.type +
            '" menu-id="' +
            note.id +
            '" ><i class="' +
            note.icon +
            '"></i><span>' +
            note.title +
            "</span></a>";
        } else if (note.type == 1) {
          // 创 建 菜 单 结 构
          content +=
            "<a " +
            target +
            ' class="' +
            className +
            '" menu-open-type="' +
            note.openType +
            '" menu-type="' +
            note.type +
            '" menu-url="' +
            note.href +
            '" menu-id="' +
            note.id +
            '" menu-title="' +
            note.title +
            '" href="' +
            href +
            '"><i class="' +
            note.icon +
            '"></i><span>' +
            note.title +
            "</span></a>";
        }
        content += loadchild(note);
        content += "</li>";
        menuItem += content;
      });
      menu += menuItem + "</ul>";
      control += controlItem;
    });
    controlItemPe += "</li></dl></ul>";
    controlPe += controlItemPe;
    $("#" + option.control).html(control + "</div>");
    $("#" + option.control).append(controlPe);
    $("#" + option.elem).html(menu);
    $("#" + option.control + " .pear-nav-control").on(
      "click",
      "[pear-id]",
      function () {
        $("#" + option.elem)
          .find(".pear-nav-tree")
          .css({
            display: "none",
          });
        $("#" + option.elem)
          .find(".pear-nav-tree[pear-id='" + $(this).attr("pear-id") + "']")
          .css({
            display: "block",
          });
        $("#" + option.control)
          .find(".pe-title")
          .html($(this).attr("pear-title"));
        $("#" + option.control).find("");
        option.change(
          $(this).attr("pear-id"),
          $(this).attr("pear-title"),
          $(this).attr("pear-href"),
        );
      },
    );
  }

  /** 加载子菜单 (递归)*/
  function loadchild(obj) {
    // 判 单 是 否 是 菜 单， 如 果 是 菜 单 直 接 返 回
    if (obj.type == 1) {
      return "";
    }
    // 创 建 子 菜 单 结 构
    var content = '<dl class="layui-nav-child">';
    // 如 果 嵌 套 不 等 于 空
    if (obj.children != null && obj.children.length > 0) {
      // 遍 历 子 项 目
      $.each(obj.children, function (i, note) {
        // 创 建 子 项 结 构
        content += "<dd>";
        var href = "javascript:;";
        var target = "";
        var className = "site-demo-active";
        if (note.openType == "_blank" && note.type == 1) {
          href = note.href;
          target = "target='_blank'";
          className = "";
        }
        // 判 断 子 项 类 型
        if (note.type == 0) {
          // 创 建 目 录 结 构
          content +=
            "<a " +
            target +
            '  href="' +
            href +
            '" menu-type="' +
            note.type +
            '" menu-id="' +
            note.id +
            '"><i class="' +
            note.icon +
            '"></i><span>' +
            note.title +
            "</span></a>";
        } else if (note.type == 1) {
          // 创 建 菜 单 结 构
          content +=
            "<a " +
            target +
            ' class="' +
            className +
            '" menu-open-type="' +
            note.openType +
            '" menu-type="' +
            note.type +
            '" menu-url="' +
            note.href +
            '" menu-id="' +
            note.id +
            '" menu-title="' +
            note.title +
            '" menu-icon="' +
            note.icon +
            '" href="' +
            href +
            '" ><i class="' +
            note.icon +
            '"></i><span>' +
            note.title +
            "</span></a>";
        }
        // 加 载 子 项 目 录
        content += loadchild(note);
        // 结 束 当 前 子 菜 单
        content += "</dd>";
      });
      // 封 装
    } else {
      content +=
        '<dd style="background-color: transparent!important;"><a style="background-color: transparent!important;margin-left: 26px">目录为空</a></dd>';
    }
    content += "</dl>";
    return content;
  }

  /** 二 级 悬 浮 菜 单*/
  function isHoverMenu(b, option) {
    if (b) {
      var navItem = "#" + option.elem + ".pear-nav-mini .layui-nav-item";
      var navChildDl = navItem + " .layui-nav-child>dl";
      var navChildDd = navItem + " .layui-nav-child>dd";

      $(navItem + "," + navChildDd).mouseenter(function () {
        var _this = $(this);
        _this
          .siblings()
          .find(".layui-nav-child")
          .removeClass("layui-nav-hover")
          .css({
            left: 0,
            top: 0,
          });
        _this.children(".layui-nav-child").addClass("layui-nav-hover");
        var height = $(window).height();
        var topLength = _this.offset().top;
        var thisHeight = _this.children(".layui-nav-child").height();
        if (thisHeight + topLength > height) {
          topLength = height - thisHeight - 10;
        }
        var left = _this.offset().left + 60;
        if (!_this.hasClass("layui-nav-item")) {
          left = _this.offset().left + _this.width();
        }
        _this.children(".layui-nav-child").offset({
          top: topLength,
          left: left,
        });
      });

      $(navItem + "," + navChildDl).mouseleave(function () {
        var _this = $(this);
        _this
          .closest(".layui-nav-item")
          .find(".layui-nav-child")
          .removeClass("layui-nav-hover")
          .css({
            left: 0,
            top: 0,
          });
      });
    } else {
      $("#" + option.elem + " .layui-nav-item")
        .off("mouseenter")
        .unbind("mouseleave");
      $("#" + option.elem + " dd")
        .off("mouseenter")
        .unbind("mouseleave");
    }
  }

  function rationalizeHeaderControlWidth(option) {
    var $headerControl = $("#" + option.control);
    var $nextEl = $headerControl.next();
    var rationalizeWidth;
    if ($nextEl.length) {
      rationalizeWidth =
        $nextEl.position().left - $headerControl.position().left;
    } else {
      rationalizeWidth =
        $headerControl.parent().innerWidth() - $headerControl.position().left;
    }

    if (option.controlWidth && rationalizeWidth >= option.controlWidth) {
      rationalizeWidth = option.controlWidth;
    }
    $("#" + option.control + " .control").css({
      width: rationalizeWidth,
      transition: "width .15s",
    });
  }

  function rationalizeHeaderControlWidthAuto(option) {
    $(window).on("resize", function () {
      rationalizeHeaderControlWidth(option);
    });

    $(document).ready(function () {
      rationalizeHeaderControlWidth(option);
    });
  }

  exports(MOD_NAME, new menu());
});
